Minor Version Release 0.3.0

Major Changes include:
* Signature change in vss-client constructor.
* Adds VssHeaderProvider, can be used for auth and request signing.
* Adds LnurlAuthToJwtProvider, provides LnUrl based JWT auth.
* Adds KeyObfuscator, to provide client-side key obfuscation.

Author: G8XSU

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "vss-client"
-version = "0.2.2"
+version = "0.3.0"
 rust-version = "1.63.0"
 license = "MIT OR Apache-2.0"
 edition = "2021"